sna: gplot.vertex – R documentation

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Documentation

sna

gplot.vertex

Add Vertices to a Plot

Description

gplot.vertex adds one or more vertices (drawn using polygon) to a plot.

Usage

gplot.vertex(x, y, radius = 1, sides = 4, border = 1, col = 2, 
    lty = NULL, rot = 0, ...)

Arguments

`x`	a vector of x coordinates.
`y`	a vector of y coordinates.
`radius`	a vector of vertex radii.
`sides`	a vector containing the number of sides to draw for each vertex.
`border`	a vector of vertex border colors.
`col`	a vector of vertex interior colors.
`lty`	a vector of vertex border line types.
`rot`	a vector of vertex rotation angles (in degrees).
`...`	Additional arguments to `polygon`

Details

gplot.vertex draws regular polygons of specified radius and number of sides, at the given coordinates. This is useful for routines such as gplot, which use such shapes to depict vertices.

Value

None

Author(s)

Carter T. Butts buttsc@uci.edu

Examples

#Open a plot window, and place some vertices
plot(0,0,type="n",xlim=c(-1.5,1.5),ylim=c(-1.5,1.5),asp=1)
gplot.vertex(cos((1:10)/10*2*pi),sin((1:10)/10*2*pi),col=1:10,
    sides=3:12,radius=0.1)

sna

Tools for Social Network Analysis

v2.6

GPL (>= 2)

Authors

Carter T. Butts [aut, cre, cph]

Initial release

2020-10-5